Earlier this week, Jay-Z announced that he would be the first to perform at Brooklyn's new Barclays Center, the official hometown arena of the New York Nets, which Jay-Z is the co-owner of. Now, Jay-Z has announced another five shows at the venue, bringing his total to eight shows in nine days. Tickets for the shows, which run from September 28th to October 6th, go on sale today through Ticketmaster.